The Multnomah County Drainage District protects lives, property and the environment through innovative, proactive flood plain management.

MCDD manages the Columbia corridor drainage districts, which include:

Peninsula Drainage District #1 | Peninsula Drainage District #2
Multnomah County Drainage District #1 | Sandy Drainage Improvement Co.

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Levee Ready Columbia Page Live

Levee Ready Columbia web page is now live. Check it out!
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